Build: Clean tf-m-tests configurations in TF-M repo [Test repo]

Move tf-m-tests specific configurations from TF-M to tf-m-tests.

Signed-off-by: Jianliang Shen <jianliang.shen@arm.com>
Change-Id: I8204cd5e1f8660b677bac5bb19d83424098af4cf
5 files changed